当前位置:网站首页>Jetson AGX Orin 平台关于c240000 I2C总线和GMSL ses地址冲突问题
Jetson AGX Orin 平台关于c240000 I2C总线和GMSL ses地址冲突问题
2022-07-30 21:39:00 【free-xx】
1. 硬件连接
(1)orin + mipi + 9296 +9295 + camera
(2)I2C连接: c240000 + tca9546 + 四个9296
2. 发现 c240000总线上 0x40地址已经被系统在占用
由于GMSL9295的I2C地址是0x40;
所以就会导致和系统的I2C冲突,导致camera相关配置失效

查看系统设备啥树:
$TOP/public_sources/kernel_Src/hardware/nvidia/platform/t23x/common/kernel-dts/t234-common-cvm/tegra234-p3701-powermon.dtsi
[email protected] {
ina32211_1_40: [email protected] {...}
ina3221_1_41: [email protected] {...}使用在硬件状态检测的(ina3221)
3. 建议
建议camera相关的camera I2C还是挂在I2C3, ([email protected]).
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